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Man sits at his desk with a display stand of multiple pieces of jewelry in front of him.
Article
Alum’s Lifelong Quest: Searching for Jewellery Unicorns

Alan Nacht continues his family’s legacy - Bernard Nacht & Co. – and his quest for unforgettable jewellery.

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Gerd Dreher agate lily and Patrick Dreher citrine mouse
Gem Virtuosos: The Drehers and Their Extraordinary Carvings

A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.

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Various colors of nephrite
Characterisation of Mg and Fe Contents in Nephrite Using Raman Spectroscopy

Evaluates the usefulness of Raman spectroscopy in distinguishing the colour varieties of nephrite based on the relative ratio of Mg to Fe concentration.

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Article
10 Tips for Buying a Diamond Online

Looking to buy a diamond online? We have 10 tips to help you click the “Buy Now” button with confidence.

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Tanzanite
Article
Tanzanite Quality Factors

Learn about the factors that make tanzanite so desirable.

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Article
Famous Diamonds Examined by GIA

An aura of mystery has always surrounded these natural wonders, so it was quite an honour when GIA researchers examined these famous diamonds.

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Fancy Colour Diamond
Article
Fancy Colour Diamond Quality Factors

Learn about the factors that make fancy colour diamonds so desirable.

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Summer 2016 Gems & Gemology Cover
Article
Summer 2016 G&G: Diamonds from Diavik, Responsible Sourcing and Fabergé Cossack Figures

A summary of the content found in the Summer 2016 issue of Gems & Gemology.

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Fall 2016 Gems & Gemology Cover
Article
Autumn 2016 G&G: CVD Synthetic Diamonds Survey, Reversible Colour Change in Blue Zircon

A summary of the content found in the Autumn 2016 issue of Gems & Gemology.

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Diamond
Article
Diamond Quality Factors

Learn about the factors that make diamonds so desirable.

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